All-Solid-State Interdigitated Micro-Supercapacitors Based on Porous Gold Electrodes - Institut d'électronique, de microélectronique et de nanotechnologie Accéder directement au contenu
Article Dans Une Revue Sensors Année : 2023

All-Solid-State Interdigitated Micro-Supercapacitors Based on Porous Gold Electrodes

Résumé

Recent developments in embedded electronics require the development of micro sources of energy. In this paper, the fabrication of an on-chip interdigitated all-solid-state supercapacitor, using porous gold electrodes and a PVA/KOH quasisolid electrolyte, is demonstrated. The fabrication of the interdigitated porous gold electrode is performed using an original bottom-up approach. A templating method is used for porosity, using a wet chemistry process followed by microfabrication techniques. This paper reports the first example of an all-gold electrode micro-supercapacitor. The supercapacitor exhibits a specific capacitance equal to 0.28 mF·cm−2 and a specific energy of 0.14 mJ·cm−2. The capacitance value remains stable up to more than 8000 cycles.
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Dates et versions

hal-03929831 , version 1 (09-01-2023)

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Aymeric Pastre, Alexandre Boé, Nathalie Rolland, Rémy Bernard. All-Solid-State Interdigitated Micro-Supercapacitors Based on Porous Gold Electrodes. Sensors, 2023, 23 (2), pp.619. ⟨10.3390/s23020619⟩. ⟨hal-03929831⟩
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